Towering basalt columns, a creation of fire and ice.

The ghostly remains of an accidental sea.

The rocks in this arid basin leave trails of movement behind them.

Hollywood's most famous landmark, the "temporary" sign that has stood for decades longer than intended.

Under the right circumstances, this waterfall in Yosemite briefly turns a luminescent fiery orange.

In all of the 29 years it was in operation, no prisoners ever escaped successfully... or so they claim.

A peculiar mansion built by the troubled heir to the Winchester Rifle Company fortune.